“raft transportation of timber”的概念、定义、翻译、参考文献-科学参考

单词	raft transportation of timber
释义	raft transportation of timber Encyclopedia 农学木材运输释 raft transportation of timber水上排运利用各种索具，将单根原木或原条编扎成木排，然后借助水流的动力或拖船的牵引力，沿着水路（江河、湖泊、水库与海洋）进行运输木材的方式。
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